Abstract
Integrated research aimed to intensify the practices of afforestation especially of white poplar and grey poplar woods. A new, simplified tending procedure has been developed to substitute earlier models considering the target diameter by right spacing as a tool to achieve adequat quality of logs. The practice-oriented model may help the qualitative improvement of white poplar growing technology in Hungary as well as in Serbia.
Highlights
White poplar (Populus alba L.) and its most important natural hybrid, the grey poplar (Populus x canescens), are native tree species in Hungary (Szodfridt- Palotás,1973; Tóth B.,1996; Rédei, 1991) and is Serbia (Guzina, Bozic, 1984; Guzina, 1986)
The most important characteristics of plantation forestry can be summed up as follows (Führer-Rédei-Tóth, 2009.): – the production of target sortiments defined in advance in huge quantities and the same quality, – the application of a relatively closed growing-technology system from forestation to final cutting, of which agricultural intensiveness is partly a characteristic of – the renovation of forest stands is only possible in an artificial manner
From among the above listed tree species the models for tending operations and the tables for age-growth space-target diameter models are suitable for production of large, quality wood material as well as mass sortiments produced in white poplar stands
Summary
White poplar (Populus alba L.) and its most important natural hybrid, the grey poplar (Populus x canescens), are native tree species in Hungary (Szodfridt- Palotás,1973; Tóth B. (edit.),1996; Rédei, 1991) and is Serbia (Guzina, Bozic, 1984; Guzina (edit.), 1986). (edit.),1996; Rédei, 1991) and is Serbia (Guzina, Bozic, 1984; Guzina (edit.), 1986) Due to their favourable silvicultural and growth characteristics, as well as the possibilities for the utilisation of their wood, the area they occupy is increasing continuously.The most important task facing Hungarian and Serbian poplar growers is improving the quality and increasing the quantity of poplar stands for wood production (Pletikapic-Kolevska, 1985; Rédei, 2000; Orlovic – Kovacevic – Pilipovic – Galic, 2003,). From among the above listed tree species the models for tending operations and the tables for age-growth space-target diameter models are suitable for production of large, quality wood material as well as mass sortiments produced in white poplar stands. In case of the initial spacing narrower than that of 3x1m or 2.5x1m, in plantations established with white poplar clones one, respectively two growing space cleanings are recommended
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